Originally Posted by mwp The main advantage of ballscrews over acme is a much larger efficiency, say .9 to .2. This means more of your motor's power will get to the axis it is coupled to. Of course, if you are plasma cutting, this may not matter much, but for the other uses that you mentioned, |
I believe most acme is closer to .35-.4. But you can get multiple start acme with as high as .75 efficiency. (1/2-10 5 start from Nook). And for plasme use, where higher speeds are important, multiple start acme might be a better choice.